/* Copyright (C) 2007, Levin Du
 * Author:  Levin Du <zsdjw@21cn.com>
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANT; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public LIcense for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA.
 */

/* A wrapper for libvolume_id */

#include <libvolume_id.h>

char *do_guess_fstype(const char *device)
{
    struct volume_id *vid = NULL;
    static fstype[64];

    vid = volume_id_open_node(device);

    if (vid == NULL)
        goto err0;

    if (volume_id_probe_filesystem(vid, 0, 0))
        goto err1;

    strncpy(fstype, vid->type, sizeof(fstype)-1);
    fstype[sizeof(fstype)-1] = '\0';

    volume_id_close(vid);

    return fstype;
    
  err1:
    volume_id_close(vid);
  err0:
    return NULL;
}
